Move the bits of Prefs where production code has only trivially easy

chrome/browser/prefs/testing_pref_store.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_PREFS_TESTING_PREF_STORE_H_
-#define CHROME_BROWSER_PREFS_TESTING_PREF_STORE_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/observer_list.h"
-#include "chrome/browser/prefs/pref_value_map.h"
-#include "chrome/common/persistent_pref_store.h"
-
-// |TestingPrefStore| is a preference store implementation that allows tests to
-// explicitly manipulate the contents of the store, triggering notifications
-// where appropriate.
-class TestingPrefStore : public PersistentPrefStore {
- public:
-  TestingPrefStore();
-
-  // Overriden from PrefStore.
-  virtual ReadResult GetValue(const std::string& key,
-                              const base::Value** result) const OVERRIDE;
-  virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE;
-  virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE;
-  virtual size_t NumberOfObservers() const OVERRIDE;
-  virtual bool IsInitializationComplete() const OVERRIDE;
-
-  // PersistentPrefStore overrides:
-  virtual ReadResult GetMutableValue(const std::string& key,
-                                     base::Value** result) OVERRIDE;
-  virtual void ReportValueChanged(const std::string& key) OVERRIDE;
-  virtual void SetValue(const std::string& key, base::Value* value) OVERRIDE;
-  virtual void SetValueSilently(const std::string& key,
-                                base::Value* value) OVERRIDE;
-  virtual void RemoveValue(const std::string& key) OVERRIDE;
-  virtual void MarkNeedsEmptyValue(const std::string& key) OVERRIDE;
-  virtual bool ReadOnly() const OVERRIDE;
-  virtual PrefReadError GetReadError() const OVERRIDE;
-  virtual PersistentPrefStore::PrefReadError ReadPrefs() OVERRIDE;
-  virtual void ReadPrefsAsync(ReadErrorDelegate* error_delegate) OVERRIDE;
-  virtual void CommitPendingWrite() OVERRIDE {}
-
-  // Marks the store as having completed initialization.
-  void SetInitializationCompleted();
-
-  // Used for tests to trigger notifications explicitly.
-  void NotifyPrefValueChanged(const std::string& key);
-  void NotifyInitializationCompleted();
-
-  // Some convenience getters/setters.
-  void SetString(const std::string& key, const std::string& value);
-  void SetInteger(const std::string& key, int value);
-  void SetBoolean(const std::string& key, bool value);
-
-  bool GetString(const std::string& key, std::string* value) const;
-  bool GetInteger(const std::string& key, int* value) const;
-  bool GetBoolean(const std::string& key, bool* value) const;
-
-  // Getter and Setter methods for setting and getting the state of the
-  // |TestingPrefStore|.
-  virtual void set_read_only(bool read_only);
-
- protected:
-  virtual ~TestingPrefStore();
-
- private:
-  // Stores the preference values.
-  PrefValueMap prefs_;
-
-  // Flag that indicates if the PrefStore is read-only
-  bool read_only_;
-
-  // Whether initialization has been completed.
-  bool init_complete_;
-
-  ObserverList<PrefStore::Observer, true> observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestingPrefStore);
-};
-
-#endif  // CHROME_BROWSER_PREFS_TESTING_PREF_STORE_H_